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On some older HP notebook models that are running Windows 7, you may incorrectly receive the following warning message from the Windows Battery Meter:

Consider replacing your battery.

Additionally, a red "X" may appear on the battery icon in the notification area. However, the battery may still be in sufficient health. This issue is known to occur on the DV9000 and DV 67000 series of notebooks.

This issue occurs on these notebook models, which were not originally designed for Windows 7, because the system firmware (BIOS) incorrectly reports the Design Capacity of the battery to the operating system.

The "Consider replacing your battery" message is displayed when the Last Full Charge Capacity is less than 40% of the reported battery Design Capacity. Both the Last Full Charge Capacity and the reported battery Design Capacity are retrieved by Windows from the system ACPI firmware (BIOS). On these older HP notebook models, the retrieved battery Design Capacity is incorrectly reported as 88,800mWh even though the battery’s actual design capacity is lower. This firmware error can then cause the "Consider replacing your battery" warning to incorrectly display when the Last Full Charge Capacity is still greater than 40% of the battery’s actual design capacity.

There is a Windows update that will remove the incorrectly reported battery message for only the affected systems. This update does not change any other behavior on the computer and will not change the actual battery life in any way. The update will only be offered if Windows Update detects that this update applies to your computer.

Additionally, HP provides a Battery Check Utility that may be installed as part of the HP Support Assistant. Running the Battery Check Utility will give an accurate view of the battery health and whether replacement should be considered.

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Update information

How to obtain this update

To obtain this update, visit the following Microsoft Windows Update website:

Note This update is available only from the Microsoft Windows Update website. Additionally, this update is offered only if Windows Update detects that the update applies to your computer

Prerequisites

This update applies to only computers that have the affected firmware (BIOS).

Registry information

To use the update in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 7 file information notes

The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

Collapse this tableExpand this table

Version

Product

Milestone

Service branch

6.1.760
0.16xxx

Windows 7 and Windows Server 2008 R2

RTM

GDR

6.1.760
0.20xxx

Windows 7 and Windows Server 2008 R2

RTM

LDR

GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.

The MANIFEST files (.manifest) that are installed for each environment are listed separately in the "Additional file information for Windows 7" section. MANIFEST files and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.